Iran claims it has 'decoded all data' from U.S. stealth drone it captured last year

Iran's Revolutionary Guard on Monday said it has decoded all of the data from an advanced CIA spy drone captured last year.

The Guard's aerospace chief, General Ami Ali Hajizadeh, told state-run Press TV that that the RQ-170 Sentinel craft had not carried out missions over nuclear facilities before it went down in December 2011 near the eastern border with Afghanistan.

Tehran had previously said it recovered information from the top-secret stealth aircraft, but Monday's announcement suggests technicians may have broken encryptions.

Cracked:
The Iranian military claimed that its scientists had decrypted all of the code records that the RQ-170 Sentinel contained

'All data from the drone have been completely decoded. We know where it travelled step by step,' Hajizadeh was quoted as saying. 'After decoding, our experts discovered that this drone had not carried out even a single nuclear mission over Iran.'

Hajizadeh said Iran had captured the drone and decoded its data without any assistance, including from its allies China and Russia. Iran has said it would reverse-engineer the drone and build its own version.

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The Revolutionary Guard has boasted several times about 'cracking the secrets' of the drone it captured.

At first, officials claimed the unmanned plane had been shot down, though the Pentagon said the craft crash-landed after it malfunctioned.

In April, a Revoluionary Guard said researchers had deciphered nearly all of the coded software and data.

Valuable technology: The RQ-170 was reportedly used to watch former Al Qaeda leader Osama Bin Laden during the Navy SEAL mission that killed him

A general also claimed that the Iranians were beginning to replicate the stealth unmanned vehicle.

Last week, the Guard claimed it captured another U.S. drone after it entered Iranian airspace over the Persian Gulf, showing an image of what it said was a Boeing-designed ScanEagle drone on state TV.

The Islamic Republic has been trumpeting its possession of the drones in an attempt to embarrass Washington over its alleged surveillance of Iran's disputed nuclear program.

Hajizadeh said Iran had previously acquired a ScanEagle drone and produced a copy of that, but did not provide evidence to back up the claim.

Last month, Tehran claimed that a U.S. drone violated its airspace. The Pentagon said an unmanned Predator aircraft came under fire at least twice while flying over international waters but was not hit.

Worries: U.S. officials are concerned about the Iranians potentially sharing or selling what they could have recovered of the aircraft to China or Russia